US 4,574,710 AGranted

Turbo burner coal powered turbine energy system

OwnerJohn D. Pickardinventor

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Abstract

A combustion system to utilize particulate fuel where the fuel is compressed and extruded into a selected shape to be burned in a combustion chamber under conditions where particles of burning material are maintained in the combustion chamber until the weight of the particulate material decreases to the point where the particle is carried from the chamber through a heat exchanger by combustion gasses to a scrubber section for removal of impurities such as SO.sub.2 and NO.sub.x.

Claims12

Dependent claims

A fuel burning device including fuel compression means to receive solid fuel and compress said solid fuel;

die means to receive said compressed fuel from said compression means and form said compressed fuel into a selected shape fuel;
burner casing means having an inlet to receive said selected shape fuel where said combustion chamber has a mean diameter greater than the diameter of said selected shape fuel whereby at least a portion of said selected shape fuel is exposed to an annular combustion chamber formed between said fuel shape and said burner casing;
air supply means to supply air to said annular combustion chamber;
second annular casing means disposed outwardly from said burner casing to form a second annular space therebetween;
second air supply means to supply air to said second annular chamber;
flow restricter means located adjacent the outlet of said burner casing whereby combustion gasses generated by combustion of said fuel shape flow through said restriction means at reduced pressure and increased velocity relative to the pressure of said supply air;
first heat coil means located at said outlet of said restriction means whereby heat is transferred to said heat coil means from said combustion gasses emitted from said restriction and wherein said heat exchanger includes coil means having selected separation between adjacent coils whereby combustion gasses flow therebetween;
generally tubular recycle casing means located outside said second annular casing to define annular recycle conduit therebetween whereby particulate matter emitted through the said openings between adjacent coils of said heat exchange means flow downwardly through said annular recycle conduit to be admitted to be recycled by said second air supply means through said first annular area;
tubular return casing means located outside said recycle casing means forming an annular area therebetween whereby gasses emitted from between the coils of said heat exchanger flow downwardly therethrough;
scrubber means to receive gasses flowing through said annular means for removal of noxious material therefrom;
and duct means including inlet means to receive air to be heated and outlet means to emit heated air extending upwardly through said first return annular area and said recycle area to receive heat from gasses said recycled gasses and said return exhaust gasses flowing therethrough.

8 more elements

Dependencies are inferred from the claim text.

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Abstract

A fuel burning device including fuel compression means to receive solid fuel and compress said solid fuel;

die means to receive said compressed fuel from said compression means and form said compressed fuel into a selected shape fuel;
burner casing means having an inlet to receive said selected shape fuel where said combustion chamber has a mean diameter greater than the diameter of said selected shape fuel whereby at least a portion of said selected shape fuel is exposed to an annular combustion chamber formed between said fuel shape and said burner casing;
air supply means to supply air to said annular combustion chamber;
second annular casing means disposed outwardly from said burner casing to form a second annular space therebetween;
second air supply means to supply air to said second annular chamber;
flow restricter means located adjacent the outlet of said burner casing whereby combustion gasses generated by combustion of said fuel shape flow through said restriction means at reduced pressure and increased velocity relative to the pressure of said supply air;
first heat coil means located at said outlet of said restriction means whereby heat is transferred to said heat coil means from said combustion gasses emitted from said restriction and wherein said heat exchanger includes coil means having selected separation between adjacent coils whereby combustion gasses flow therebetween;
generally tubular recycle casing means located outside said second annular casing to define annular recycle conduit therebetween whereby particulate matter emitted through the said openings between adjacent coils of said heat exchange means flow downwardly through said annular recycle conduit to be admitted to be recycled by said second air supply means through said first annular area;
tubular return casing means located outside said recycle casing means forming an annular area therebetween whereby gasses emitted from between the coils of said heat exchanger flow downwardly therethrough;
scrubber means to receive gasses flowing through said annular means for removal of noxious material therefrom;
and duct means including inlet means to receive air to be heated and outlet means to emit heated air extending upwardly through said first return annular area and said recycle area to receive heat from gasses said recycled gasses and said return exhaust gasses flowing therethrough.

8 more elements